Experimental Demonstration of Counterfactual Quantum Communication
Experimental Demonstration of Counterfactual Quantum Communication
Quantum effects, besides offering substantial superiority in many tasks over classical methods, are also expected to provide interesting ways to establish secret keys between remote parties. A striking scheme called ``counterfactual quantum cryptography'' proposed by Noh [Phys. Rev. Lett. 103, 230501 (2009).] allows one to maintain secure key distributions, in …